Jyotika recently shared a gym video of herself doing pull-ups, which experts say are among the toughest bodyweight exercises as they engage multiple muscle groups including the shoulders, back, arms, core, and grip strength simultaneously. Orthopaedic experts explain that pull-ups require strong joint stability and proper technique, making them challenging, especially for beginners who may risk shoulder, elbow, or wrist strain if attempted without preparation. Trainers recommend progressing grad